unfathomable• His expression was shuttered again, unfathomable.• His glance at her was unfathomable.• Whitton's and Fitzormonde's deaths at the Tower were still as unfathomable as ever.• The persistence of the image is as unfathomable as the allegedattributes of the people of the CelestialEmpire themselves.• Night was the child of Chaos and so was Erebus, which is the unfathomabledepth where death dwells.• They are a rigorousmystery, governed by unfathomableequations.• the unfathomable mysteries of human nature• The Liang family had passed those years in a strange, unfathomable netherworld.• They are unfathomable only to those who believe pax moderna to be the solerationalarrangement.